About this blog

I'm a well-known mainframe performance guy, with almost 30 years of experience helping customers manage systems. I also dabble in lots of other technology. I've sought to widen the Performance role, incorporating aspects of infrastructural architecture.

Recent tweets

Find us on Facebook

There was a time before blogging and what I'm about to talk about is something I used to explain quite often back in those days.
Reminded by a current customer situation - and needing to explain it again - I thought it time to do it this way.
(Here I'm presenting a simplified view, but one that covers the salient features that might help you.)
The CICS / DB2 Connection code provides a... [More]